Rechargeable battery pack



FIG. 1 is a front perspective view from above of our new design for a rechargeable battery pack;

FIG. 2 is a rear perspective view from below thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a rear elevational view thereof.

The rechargeable battery pack is used to store an electric charge or energy and may be inserted into a battery pack charger or a battery powered device.

The broken lines shown in FIGS. 1 and 2 are for illustrative purposes only and form no part of the first or second embodiment of our new design for a rechargeable battery pack. 

The ornamental design for a rechargeable battery pack, substantially as shown and described. 